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发明名称
PERFECCIONAMIENTOS EN LAS ESTRUCTURAS DE CUBIERTAS PARA LA CONSTRUCCIËN
摘要
申请公布号
ES307400(A1)
申请公布日期
1965.05.01
申请号
ES19000003074
申请日期
1964.12.21
申请人
OROS LEPEZ, JOSE LUIS
发明人
分类号
E04D;(IPC1-7):E04D
主分类号
E04D
代理机构
代理人
主权项
地址
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